Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF

From: kbuild test robot
Date: Thu Dec 15 2016 - 21:15:32 EST


Hi Jason,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.9 next-20161215]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Jason-A-Donenfeld/siphash-add-cryptographically-secure-PRF/20161216-092837
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=ia64

All errors (new ones prefixed by >>):

lib/siphash.c: In function 'siphash_unaligned':
>> lib/siphash.c:123:15: error: 'bytes' undeclared (first use in this function)
case 1: b |= bytes[0];
^~~~~
lib/siphash.c:123:15: note: each undeclared identifier is reported only once for each function it appears in

vim +/bytes +123 lib/siphash.c

117 case 7: b |= ((u64)end[6]) << 48;
118 case 6: b |= ((u64)end[5]) << 40;
119 case 5: b |= ((u64)end[4]) << 32;
120 case 4: b |= get_unaligned_le32(end); break;
121 case 3: b |= ((u64)end[2]) << 16;
122 case 2: b |= get_unaligned_le16(end); break;
> 123 case 1: b |= bytes[0];
124 }
125 #endif
126 v3 ^= b;

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation

Attachment: .config.gz
Description: application/gzip